313412123 has 2 divisors, whose sum is σ = 313412124. Its totient is φ = 313412122.

The previous prime is 313412111. The next prime is 313412149. The reversal of 313412123 is 321214313.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313412123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 313412095 and 313412104.

It is not a weakly prime, because it can be changed into another prime (313412173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156706061 + 156706062.

It is an arithmetic number, because the mean of its divisors is an integer number (156706062).

Almost surely, 2^313412123 is an apocalyptic number.

313412123 is a deficient number, since it is larger than the sum of its proper divisors (1).

313412123 is an equidigital number, since it uses as much as digits as its factorization.

313412123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 20.

The square root of 313412123 is about 17703.4494661351. The cubic root of 313412123 is about 679.2639982220.

Adding to 313412123 its reverse (321214313), we get a palindrome (634626436).

The spelling of 313412123 in words is "three hundred thirteen million, four hundred twelve thousand, one hundred twenty-three".